function parse_git_branch_and_add_brackets {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\ \[\1\]/'
}

function get_p4set
{
    echo `p4 set $1 | sed -e "s/$1=//" -e 's/ (.*)$//' 2>&1`;
    return 0;
}

function vcsprompt
{
    local NOCOLOR=$(tput op)
    local YELLOW=$(tput setaf 3)
    local GRAY=$(tput setaf 7)
    local CYAN=$(tput setaf 6)
    local GREEN=$(tput setaf 2)

    nP4CLIENT=`get_p4set P4CLIENT`
    nP4PORT=`get_p4set P4PORT`
    branch=`parse_git_branch_and_add_brackets`

    if [ ${#nP4CLIENT} -eq 0 ]
    then
        nP4CLIENT="__client_unset__"
    fi

    if [ ${#nP4PORT} -eq 0 ]
    then
        # "p4" actually defaults to using "perforce:1666", so the
        # P4PORT is never really "unset".
        nP4PORT="__server_unset__"
    fi

    if [ -n "$branch" ]
    then
        PS1="\h:\W \u$GREEN\$branch $NOCOLOR\$ "
    elif [ "$nP4CLIENT" = "__client_unset__" ]
    then
        PS1="\h:\W \u \$ "
    else
        PS1="\h:\W \u\[$GRAY\][\[$CYAN\]\${nP4CLIENT}\[$GRAY\]@\[$YELLOW\]\${nP4PORT}\[$GRAY\]]\[$NOCOLOR\] \$ "
    fi
}

function pcd {

        exist=`p4 -F %depotFile% files "$1"`

        path=`p4 -ztag -F %path% where "$1"`

        if [ -z "$exist" ]
        then
            dir=$path
        else
            dir=`dirname "$path"`
        fi

        cd "$dir"
}

PROMPT_COMMAND=vcsprompt